hw/ppc/mac_newworld: Free openpic_irqs array after use
In ppc_core99_init(), we allocate an openpic_irqs array, which we then use to collect up the various qemu_irqs which we're going to connect to the interrupt controller. Once we've called sysbus_connect_irq() to connect them all up, the array is no longer required, but we forgot to free it. Since board init is only run once at startup, the memory leak is not a significant one. Spotted by Coverity: CID 1192916. Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: NMark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>
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